Journal
ADVANCED DRUG DELIVERY REVIEWS
Volume 179, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.addr.2021.114032
Keywords
Drug delivery; Cell therapy; Transformation; Cell communication; Bioconjugation
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Funding
- Zhejiang University
- Fuzhou University [0041-510889]
- National Key Research & Development Program of China [2020YFA0210800]
- Kunpeng Program Grant
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Using natural cells as drug carriers has become a hot topic in recent years due to their biocompatibility and dynamic properties. Instead of focusing on what cells display, attention is now shifting towards how cells change, including surface protein patterns, morphologies, and in-situ generation of therapeutics, to develop advanced drug delivery systems.
Employing natural cells as drug carriers has been a hotspot in recent years, attributing to their biocom-patibility and inherent dynamic properties. In the earlier stage, cells were mainly used as vehicles by vir-tue of their lipid-delimited compartmentalized structures and native membrane proteins. The scope emphasis was 'what cell displays' instead of 'how cell changes'. More recently, the dynamic behaviours, such as changes in surface protein patterns, morphologies, polarities and in-situ generation of therapeu-tics, of natural cells have drawn more attention for developing advanced drug delivery systems by fully taking advantage of these processes. In this review, we revolve around the dynamic cellular transforma-tion behaviours which facilitate targeted therapy. Cellular deformation in geometry shape, spitting smal-ler vesicles, activation of antigen present cells, polarization between distinct phenotypes, local production of therapeutics, and hybridization with synthetic materials are involved. Other than focusing on the traditional delivery of concrete cargoes, more functional 'handles' that are derived from the cells themselves are introduced, such as information exchange, cellular communication and interactions between cell and extracellular environment. (c) 2021 Published by Elsevier B.V.
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